In this quote from Agatha Christie's novel, "And Then There Were None," the characters are accused of various murders by an unknown voice. The accusation puts them on trial, creating a tense and suspenseful atmosphere as they are forced to face their crimes. Each character is confronted with the guilt of their past actions and given the opportunity to defend themselves before their ultimate fate is revealed. This quote sets the stage for the unfolding of a thrilling mystery as the characters grapple with their past and the consequences of their actions.